Waiting for multiple resolutions

waiting-for-all.js

$q.all([
    server.getFollowersList(),
    server.getFollowingList(),
    server.getTweets(),
    server.getUserDescription()
]).then(function(result) {
    // The result object will be an array
    // with all of the results.
    ctrl.updateFollowers(result[0]);
    ctrl.updateFollowing(result[1]);
    ctrl.showTweets(result[2]);
    ctrl.updateDescription(result[3]);
}).catch(function(error) {
    // this runs when anything errors or
    // gets rejected. 
    console.log(error);
});